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11884930 = 255632111
BaseRepresentation
bin101101010101…
…100110000010
3211100211001121
4231111212002
511020304210
61102422454
7203006641
oct55254602
924324047
1011884930
116788362
123b91a2a
132601805
141815358
15109b6da
hexb55982

11884930 has 16 divisors (see below), whose sum is σ = 21441024. Its totient is φ = 4743280.

The previous prime is 11884919. The next prime is 11884931. The reversal of 11884930 is 3948811.

It is a happy number.

It is a super-2 number, since 2×118849302 = 282503122209800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11884931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (1340064).

Almost surely, 211884930 is an apocalyptic number.

11884930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11884930 is the 2815-th pentagonal number.

11884930 is a deficient number, since it is larger than the sum of its proper divisors (9556094).

11884930 is a wasteful number, since it uses less digits than its factorization.

11884930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11884930 is about 3447.4526827790. The cubic root of 11884930 is about 228.2087065056.

The spelling of 11884930 in words is "eleven million, eight hundred eighty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 563 1126 2111 2815 4222 5630 10555 21110 1188493 2376986 5942465 11884930